Stupendously stubborn know-it-all gits who seem almost religious in saying 'no' to anything that does not match their opinions and outlook. Can easily be found in most technical departments of new media companies.

A grump revels in being difficult and obtuse. Often found hiding in caves in Scotland, away from direct sunlight. Guaranteed to rain on your parade at every turn, these bad tempered creatures (often bearded and mustached) have a an undoubted place in society.....to counter life's over optimistics.

"My, that dude over there moaning about the state of the beer in this pub (his local) is a right old curmudgeon!"